添加项目文件。

OrpaonEMS.Core/Enums/LinkState.cs

@@ -0,0 +1,30 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace OrpaonEMS.Core.Enums
+{
+    /// <summary>
+    /// 连接状态
+    /// </summary>
+    public enum LinkState
+    {
+        /// <summary>
+        /// 初始状态
+        /// </summary>
+        Initial = 0,
+
+        /// <summary>
+        /// 连接OK
+        /// </summary>
+        LinkOK = 1,
+
+        /// <summary>
+        /// 连接NG
+        /// </summary>
+        LinkNG = 2,
+    }
+
+}